12132534511 has 16 divisors (see below), whose sum is σ = 13076951040. Its totient is φ = 11230259040.

The previous prime is 12132534499. The next prime is 12132534521. The reversal of 12132534511 is 11543523121.

It is a cyclic number.

It is not a de Polignac number, because 12132534511 - 2¹¹ = 12132532463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12132534511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132534521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33130 + ... + 159256.

It is an arithmetic number, because the mean of its divisors is an integer number (817309440).

Almost surely, 2^12132534511 is an apocalyptic number.

12132534511 is a deficient number, since it is larger than the sum of its proper divisors (944416529).

12132534511 is a wasteful number, since it uses less digits than its factorization.

12132534511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126294.

The product of its digits is 3600, while the sum is 28.

The spelling of 12132534511 in words is "twelve billion, one hundred thirty-two million, five hundred thirty-four thousand, five hundred eleven".